Warnings Header

Use the Warning header to return warnings, such as the use of a deprecated version of the API.

Header Field Name and Values

Field name: Warning

Field values:

warningCode
warningMessage

For warnings about deprecated API versions, the warningCode is 299.

Example: Warning: 299 - "This API is deprecated and will be removed by Summer '22. Please see https://help.salesforce.com/articleView?id=000351312 for details."